Thetford Township dates to 1836, and 1 of its places is on the National Register
More historic than 66% of U.S. towns · #224 of 701 in Michigan. What drives it
Most of Thetford Township was built recently: 7% of its homes predate 1940 and the median home dates from 1975. Its Register listing is the Harry C. Tinker House. Its Register listing is the Harry C. Tinker House. Below: maps from 1920 on.
Founding year: Wikidata. First post office: 1836.The full story ↓
History grade
What drives Thetford Township’s History grade
On its age, its old homes and the National Register, Thetford Township is more historic than 66% of U.S. towns, #224 of 701 in Michigan. Its age holds the grade up; its share of homes from before 1940 pulls it down.
B+
HistoryA character grade: shown, never part of Thetford Township’s overall grade.
Few Michigan towns list much on the Register (a typical Michigan town has 0.0 per 10,000 residents, the U.S. 2.4), so Thetford Township’s 3.0 sits above most of its state (72% of Michigan towns have fewer) while its 2 historic buildings outnumber those of 60% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from B− to A−. The pre-1940 share (±2.8 points) is firm at this size. Two sources give 1836.
Founding year: Wikidata (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Thetford Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Thetford Township. Tap a year, or press play to watch the town change.
1920Flint sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Thetford Township.
The township's first post office, Pine Run, opened on January 15, 1836, and changed its name to Thetford in 1844. Later, in 1855, East Thetford post office opened on Vienna Road west of Belsay Road. This was followed by Whitesburgh post office in 1866. After several temporary closures and relocations, the two Thetford post offices closed in 1902, and Rogersville (previously Whitesburgh) closed in 1919.
In 1836, according to Wikidata. Thetford Township’s post office opened in 1836.
How does Thetford Township rank for history?
Thetford Township is more historic than 66% of U.S. towns, #224 of 701 in Michigan. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
What is on the National Register in Thetford Township?
One place: the Harry C. Tinker House (listed 1982).
How old are the homes in Thetford Township?
7% of Thetford Township’s homes were built before 1940 (Census estimate, ±2.8 points), against a typical 12% for a Michigan town; the median home was built in 1975.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021).
From Wikidata (1), the National Register of Historic Places (1), Wikipedia, Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.
